Finding the Fourth Proportional to 511,251.19, 705,494.50 and 281,795.84
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Solution
The fourth proportional to 511,251.19, 705,494.50 and 281,795.84 is: 388,860.54
Step by Step Solution
- Step 1: Write the proportion equation
511,251.19 : 705,494.50 = 281,795.84 : x - Step 2: Convert to fraction form
511,251.19/705,494.50 = 281,795.84/x - Step 3: Cross multiply
511,251.19x = 705,494.50 × 281,795.84 - Step 4: Simplify right side
511,251.19x = 198,805,415,242.88 - Step 5: Solve for x
x = 198,805,415,242.88/511,251.19 - Step 6: Final answer
x = 388,860.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.